update es-ES translation
update es-ES translation

Change-Id: I0b30973c8f666b43745b0844a4a40c66a7a80d5e
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/293280
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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